/*
 * Created on 23-Jun-2004
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.pluginsimpl.local.torrent;

/**
 * @author parg
 *
 */

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.gudy.azureus2.core3.category.Category;
import org.gudy.azureus2.core3.category.CategoryManager;
import org.gudy.azureus2.core3.category.CategoryManagerListener;
import org.gudy.azureus2.plugins.torrent.TorrentAttribute;
import org.gudy.azureus2.plugins.torrent.TorrentAttributeEvent;
import org.gudy.azureus2.plugins.utils.StaticUtilities;

public class TorrentAttributeCategoryImpl extends BaseTorrentAttributeImpl {

    protected TorrentAttributeCategoryImpl() {
        CategoryManager.addCategoryManagerListener(new CategoryManagerListener() {
            public void categoryAdded(final Category category) {
                TorrentAttributeEvent ev = new TorrentAttributeEvent() {
                    public int getType() {
                        return (TorrentAttributeEvent.ET_ATTRIBUTE_VALUE_ADDED);
                    }

                    public TorrentAttribute getAttribute() {
                        return (TorrentAttributeCategoryImpl.this);
                    }

                    public Object getData() {
                        return (category.getName());
                    }
                };

                TorrentAttributeCategoryImpl.this.notifyListeners(ev);
            }

            public void categoryChanged(Category category) {
            }

            public void categoryRemoved(final Category category) {
                TorrentAttributeEvent ev = new TorrentAttributeEvent() {
                    public int getType() {
                        return (TorrentAttributeEvent.ET_ATTRIBUTE_VALUE_REMOVED);
                    }

                    public TorrentAttribute getAttribute() {
                        return (TorrentAttributeCategoryImpl.this);
                    }

                    public Object getData() {
                        return (category.getName());
                    }
                };

                TorrentAttributeCategoryImpl.this.notifyListeners(ev);
            }
        });
    }

    public String getName() {
        return (TA_CATEGORY);
    }

    public String[] getDefinedValues() {
        Category[] categories = CategoryManager.getCategories();

        List v = new ArrayList();

        for (int i = 0; i < categories.length; i++) {

            Category cat = categories[i];

            if (cat.getType() == Category.TYPE_USER) {

                v.add(cat.getName());
            }
        }

        String[] res = new String[v.size()];

        v.toArray(res);

        // make it nice for clients

        Arrays.sort(res, StaticUtilities.getFormatters().getAlphanumericComparator(true));

        return (res);
    }

    public void addDefinedValue(String name) {
        CategoryManager.createCategory(name);
    }

    public void removeDefinedValue(String name) {
        Category cat = CategoryManager.getCategory(name);

        if (cat != null) {

            CategoryManager.removeCategory(cat);
        }
    }

}
